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1201232330210 = 251129376561859
BaseRepresentation
bin10001011110101111000…
…001101011110111100010
311020211120221112222020002
4101132233001223313202
5124140110434031320
62315501041420002
7152533441223333
oct21365701536742
94224527488202
101201232330210
11423492375010
1217498233a602
13893779bb993
14421d607228a
15213a7eb0675
hex117af06bde2

1201232330210 has 32 divisors (see below), whose sum is σ = 2440120852800. Its totient is φ = 421749280960.

The previous prime is 1201232330201. The next prime is 1201232330231. The reversal of 1201232330210 is 120332321021.

It is a super-2 number, since 2×12012323302102 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188277740 + ... + 188284119.

It is an arithmetic number, because the mean of its divisors is an integer number (76253776650).

Almost surely, 21201232330210 is an apocalyptic number.

1201232330210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201232330210 is an abundant number, since it is smaller than the sum of its proper divisors (1238888522590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201232330210 is a wasteful number, since it uses less digits than its factorization.

1201232330210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376561906.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1201232330210 its reverse (120332321021), we get a palindrome (1321564651231).

The spelling of 1201232330210 in words is "one trillion, two hundred one billion, two hundred thirty-two million, three hundred thirty thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 1595 3190 376561859 753123718 1882809295 3765618590 4142180449 8284360898 10920293911 20710902245 21840587822 41421804490 54601469555 109202939110 120123233021 240246466042 600616165105 1201232330210